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Restructuring Costs (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended | 15 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Mar. 31, 2021 | Mar. 31, 2020 | Jun. 30, 2020 | Mar. 31, 2021
Restructuring costs by type [Abstract] |  |  |  |  |  |
Severance costs and other benefits | $ 1,032 | $ 3,901 | $ 5,254 | $ 3,901 |  | $ 14,029
Facility costs | 626 | 2,658 | 870 | 2,658 |  | 4,580
Impairment of Intangible Assets, Finite-lived | 0 | 0 | 0 | 0 |  | 1,525
Other Restructuring Costs | 202 | 0 | 461 | 0 |  | 461
Restructuring costs | 1,860 | 6,559 | 6,585 | 6,559 | $ 14,000 | 20,595
Restructuring costs reserve [Roll Forward] |  |  |  |  |  |
Restructuring reserve balance | 2,260 |  | 2,260 |  | $ 2,403 | 2,260
Restructuring costs incurred |  |  | 3,510 |  |  |
Cash payments |  |  | (3,143) |  |  |
Operating lease and fixed asset impairments due to restructuring |  |  | (510) |  |  |
Utility and Power Infrastructure [Member] |  |  |  |  |  |
Restructuring costs by type [Abstract] |  |  |  |  |  |
Severance costs and other benefits | 291 | 632 | 1,109 | 632 |  | 2,450
Facility costs | 112 | 303 | 117 | 303 |  | 351
Impairment of Intangible Assets, Finite-lived | 0 | 0 | 0 | 0 |  | 1,150
Restructuring costs | 403 | 935 | 1,226 | 935 |  | 3,951
Process and Industrial Facilities |  |  |  |  |  |
Restructuring costs by type [Abstract] |  |  |  |  |  |
Severance costs and other benefits | 315 | 2,506 | 2,905 | 2,506 |  | 9,073
Facility costs | 264 | 1,581 | 279 | 1,581 |  | 3,035
Impairment of Intangible Assets, Finite-lived | 0 | 0 | 0 | 0 |  | 375
Other Restructuring Costs | 202 | 0 | 461 | 0 |  | 461
Restructuring costs | 781 | 4,087 | 3,645 | 4,087 |  | 12,944
Storage and Terminal Solutions |  |  |  |  |  |
Restructuring costs by type [Abstract] |  |  |  |  |  |
Severance costs and other benefits | 423 | 47 | 1,076 | 47 |  | 1,422
Facility costs | 167 | 774 | 168 | 774 |  | 888
Restructuring costs | 590 | 821 | 1,244 | 821 |  | 2,310
Corporate [Member] |  |  |  |  |  |
Restructuring costs by type [Abstract] |  |  |  |  |  |
Severance costs and other benefits | 3 | 716 | 164 | 716 |  | 1,084
Facility costs | 83 | 0 | 306 | 0 |  | 306
Restructuring costs | $ 86 | $ 716 | $ 470 | $ 716 |  | $ 1,390

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